Ahn, Young-Ho, author
Hanguk University of Foregn Studies, 2007
Buku Referensi
Bak, Mun-Ja
Daseo Chulphan Bak Lee Jeong, 2007
Buku Teks
Park, Mungak (PMG)
Park Mun Gak, 2010
Buku Teks
Brumfiel, Charles Francis, 1914-, author
Addison-Wesley, 1962
Buku Teks
Buku Teks